Naruto System in One Piece - Chapter 529: Zero Machine Maneuver!

In the business world, legend has it that he’s cold-blooded and ruthless. Yet at home, he dotes on his beloved wife to the bones.

‘Why am I married to this demon?’ After accidentally provoking a certain demon, she becomes his possession. From then on, she is forced into a shameless, wanton life…

“Mr. Pei, is there anything that you’re dissatisfied with Mrs. Pei about?” a reporter asks.

Mr. Pei’s dark eyes narrows. ‘The only thing I’m not satisfied with…’

Mr. Pei answers brazenly, “Lasting for only five minutes after charging for two hours.”

Mrs. Pei’s cheeks instantly turn red and she curses inwardly, ‘This darn perv!’

The reporter asks again, “What about you, Mrs. Pei?”

Gritting her teeth, Mrs Pei replies, “Lasting for two hours after charging for only five minutes!”

That night, Mr. Pei smiles wickedly after lasting four hours. “Are you satisfied now?”

Jian Chen, the publicly recognized number one expert of the Jianghu. His skill with the sword went beyond perfection and was undefeatable in battle, After a battle with the exceptional expert Dugu Qiubai who had gone missing over a hundred years ago, Jian Chen succumbed to his injuries and died.

After death, Jian Chen’s spirit was transmigrated into a completely foreign world. Following an extremely fast growth, his enemies piled up one after another before becoming gravely injured once more.

On the gates of death, his spirit had mutated, and from that moment henceforth, he would tread on a completely different path of the art of the sword to become the sword god of his generation.

- Description from novelupdates

After 20 years of dedicating his life to opera ever since he had quit the performing arts high school, he had failed at an interview. Losing his motivations, Jo Yunjae depended on alcohol to live out his days until one day, he had been sent back 20 years in time, to the day before his high school admission.

As a promise, he went out into the world as an assassin. 3 years later, after becoming the Supreme Assassin, he gave up on everything he had and returned to the ranks of ordinary people. But one day, Kismet, a mystical game created by the National Research and Development had appeared.

Enigmatic hands, spectral frame, and one cunning strike just like the swing of the Grim Reaper. The Supreme Assassin takes on the mystical world, and how his legendary tales sets off, progressively ascending the altar to becoming the best.

- Description from Novelupdates